lighten method
Lightens the color by a specified percentage.
The percent
parameter specifies the percentage by which the color should be lightened.
The value of percent
should be between 0 and 100.
Returns a new Color object that represents the lightened color.
Implementation
Color lighten([int percent = 10]) {
assert(0 <= percent && percent <= 100);
final p = percent / 100;
return Color.fromARGB(
alpha,
red + ((255 - red) * p).round(),
green + ((255 - green) * p).round(),
blue + ((255 - blue) * p).round(),
);
}